Constructed of durable, heat-treated stainless steel with a high-visibility polymer follower, the Ruger® SR-556 .223 Rem, 5.56 NATO 5-Round Steel Magazine is the ideal sub-capacity companion for hunters, low-volume shooters, and shooters in restricted states. Precision machining delivers improved geometries for a snug, anti-wobble fit, while the polymer follower, coupled with a high-tensile steel spring, ensures reliable feeding performance.